<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Animate css动画</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css">

    <style>
        *{
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        .container {
            display: flex;
            justify-content: space-evenly;
            align-items: center;
            height: 100px;
            background-color: lightblue;
            width: 30vw;
            margin: 0 auto;
            
        }
    </style>
</head>
<body>
    
    <div class="container">
        <span class="animate__animated animate__rotateIn">W</span>H</span>
        <span class="animate__animated animate__rotateIn">E</span>
        <span class="animate__animated animate__rotateIn">L</span>
        <span class="animate__animated animate__rotateIn">L</span>
        <span class="animate__animated animate__rotateIn">O</span>
    </div>
</body>
</html>